Of course it works! When a woman is exercising, her chest will involuntarily swing in a figure of eight. If they are not protected for a long time, their breasts are easily injured. Once injured, it will sag and shrink, and once it sags, it will be difficult to return to the previous curve. The function of sports bra is to prevent female chest sports injury, so it is necessary. Girls who plan to exercise must remember to wear sports bras! If you persist for a long time, you will find that because you wear a sports bra, your chest shape will be much fuller and more elegant than before. If the landlord wants to buy it, it's easy and beautiful. I'm wearing it myself. It is very shockproof.